/Engine/Source/Runtime/Engine/Public/PrimitiveSceneProxy.h
Drawing helper. Draws nice bouncy line.
static void DrawArc ( [FPrimitiveDrawInterface](API\Runtime\Engine\FPrimitiveDrawInterface) * PDI, const FVector & Start, const FVector & End, const float Height, const uint32 Segments, const [FLinearColor](API\Runtime\Core\Math\FLinearColor) & Color, uint8 DepthPriorityGroup, const float Thickness, const bool bScreenSpace )